/*
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 * and open the template in the editor.
 */

package control;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.Collection;
import java.util.Map;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import modele.Fichier;
import modele.Matiere;
import modele.Pub;

/**
 *
 * @author ighembaza
 */
public class Controll extends HttpServlet {
    
        private Pub pub;

    public void init(ServletConfig config) throws ServletException {
            super.init(config);
        pub = new Pub(); //instancie les objets utiles
    }
    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
       protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

        String page;
        String choix = request.getParameter("matiere");
        if (choix == null) {
            Collection<Matiere> m = pub.getLesMatieres();
            request.setAttribute("lesMats", m);
            page = "index.jsp";
        } else {
             String idMat = choix;
             Matiere laMat = pub.getLaMatiere(idMat);
             String nomMat = pub.getLaMatiere(idMat).getNom();
            Collection <Fichier> f = laMat.getLesFichiers(); // récupère la collection
            request.setAttribute("listeFichier", f); // cet objet devient un attribut de request
            request.setAttribute("nomMat",nomMat); // cet objet devient un attribut de request
            page = "listeFichier.jsp";
            //appel de la JSP
        }
            request.getRequestDispatcher(page).forward(request, response);
        
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
